Channel letters create a stunning and unique look, lighting up the building front of your business. With face-lit relief letters, the front of the channel letter is illuminated. This illumination can also extend to the sides of the letters. The face of the channel letters can be both open and closed. Closed channel letters have an acrylic face that is available in any colour. The most common way to light closed-faced channel letters is with LED lighting, but neon lighting is still possible. Open-faced channel letters are often illuminated with fashionable neon lamps or with LED bulbs giving the sign an even trendier look.